Gerald Gary Mercurio (born September 1966) is a British television writer, producer, director and novelist. A former hospital doctor and Royal Air Force officer, Mercurio has been ranked among UK television's leading writers. In 2017, Mercurio was awarded a Fellowship of the Royal Television Society and the Baird Medal by RTS Midlands. His works for television include the series Line of Duty, Bodyguard, Bodies (based on his 2002 novel), The Grimleys, and Cardiac Arrest. His books are Bodies (2002), Ascent (2007), American Adulterer (2009) and, for children, The Penguin Expedition (2003). Source: Wikipedia (en)